公开(公告)号：US11439995B2

公开(公告)日：2022-09-13

申请号：US16464998

申请日：2017-11-29

Applicant: BASF SE

Inventor： Esther Groeneveld ,  Peter Berben ,  Bernard Reesink ,  Bart Michielsen ,  Jasper Lefevere

IPC: B01J37/03 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  B29C64/165 ,  B01J21/08 ,  B01J23/755 ,  B01J35/00 ,  B01J35/02 ,  B01J35/04 ,  B01J35/06 ,  B01J37/00 ,  B01J37/02 ,  B01J37/18 ,  B29C64/106 ,  B01J35/10

Abstract: A three-dimensionally structured porous catalyst monolith of stacked catalyst fibers with a fiber diameter of less than 1 mm made from one or more continuous fibers or stacked individual fibers, wherein the stacked catalyst fibers are arranged in a regular, recurring stacking pattern of fiber layers to form the three-dimensionally structured monolith, and wherein in each of the stacked fiber layers at least 50 wt % of the fibers are arranged parallel to each other and spatially separated from each other, or in a cobweb pattern, and wherein the side crushing strength of the monolith is at least 60 N.

公开(公告)号：US20250050575A1

公开(公告)日：2025-02-13

申请号：US18720079

申请日：2022-12-16

Applicant: VITO NV ,  BASF SE

Inventor： Daniel Geoerg ,  Dominik Hartmann ,  Fred Borninkhof ,  Bart Michielsen ,  Jasper Lefevere

IPC: B29C64/209 ,  B29C64/118 ,  B29C64/227 ,  B29C64/245 ,  B29C64/35 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/20

Abstract: The invention relates to an additive manufacturing system (1) and a method for manufacturing one or more three-dimensional structures. At least one deposition unit (3) with one or more nozzles (5) is arranged for dispensing a build material through an opening area thereof on a print surface (7). A controller is provided which is configured to operate the system (1) for deposition of filaments of a build material paste on the print surface (7) in an interconnected arrangement in a plurality of stacked layers in order to form the one or more three-dimensional structures. An actuation unit (9) is arranged in order to have printing access to the at least one deposition unit (3), wherein the actuation unit (9) is configured to hold the print surface. The controller is configured to control the actuation unit (9) so as to move the print surface (7) at the at least one deposition unit (3) during deposition of the filaments by said deposition unit. The one or more nozzles (5) of the at least one deposition unit (3) are arranged to remain stationary during the deposition of the filaments.

公开(公告)号：US11547981B2

公开(公告)日：2023-01-10

申请号：US15733841

申请日：2019-05-28

Applicant: BASF SE

Inventor： Matthias Georg Schwab ,  Esther Groeneveld ,  Peter Berben ,  Harry Bouwman ,  Willem Dijkstra ,  Bart Michielsen ,  Jasper Lefevere

IPC: B01J21/04 ,  B33Y10/00 ,  B29C64/106 ,  B01J35/00 ,  B01J35/04 ,  B01J35/06 ,  B01J35/10 ,  B01J37/00 ,  B01J37/04 ,  B01J37/08 ,  B28B1/00 ,  B28B11/24 ,  C07C1/24 ,  C07C5/27 ,  B33Y70/00 ,  B33Y80/00 ,  B29K509/02

Abstract: A method for producing a three-dimensional porous transition alumina catalyst monolith of stacked catalyst fibers, comprising:
a) Preparing a paste in a liquid diluent of hydroxide precursor particles and/or oxyhydroxide precursor particles of transition alumina particles, all particles in the suspension having a number average particle size in the range of from 0.05 to 700 μm,
b) extruding the paste nozzle(s) to form fibers, and depositing the extruded fibers to form a three-dimensional porous catalyst monolith precursor,
c) drying the precursor to remove the liquid diluent,
d) performing a temperature treatment of the dried porous catalyst monolith precursor to form the transition alumina catalyst monolith,
wherein no temperature treatment of the porous catalyst monolith precursor or porous catalyst monolith at temperatures above 1000° C. is performed and wherein no further catalytically active metals, metal oxides or metal compounds are applied to the surface.

公开(公告)号：US12053760B2

公开(公告)日：2024-08-06

申请号：US17291157

申请日：2019-11-04

Applicant: BASF SE ,  VITO NV

Inventor： Christian Walsdorff ,  Marco Oskar Kennema ,  Miguel Angel Romero Valle ,  Florian Scharf ,  Dirk Hensel ,  Juergen Zuehlke ,  Fred Borninkhof ,  Bart Michielsen ,  Jasper Lefevere

IPC: B01J23/22 ,  B01J8/02 ,  B01J35/00 ,  B01J35/31 ,  B01J35/40 ,  B01J35/56 ,  B01J35/58 ,  B01J35/61 ,  B01J37/00 ,  B01J37/08 ,  B22F1/10 ,  B22F10/18 ,  B22F12/53

CPC classification number: B01J23/22 ,  B01J8/02 ,  B01J35/19 ,  B01J35/31 ,  B01J35/40 ,  B01J35/56 ,  B01J35/58 ,  B01J35/618 ,  B01J37/0009 ,  B01J37/08 ,  B22F10/18 ,  B22F1/10 ,  B22F12/53 ,  B22F2999/00 ,  B22F5/10 ,  B22F3/1115 ,  B22F10/18 ,  B22F3/20 ,  B22F2998/10 ,  B22F10/18 ,  B22F3/1115 ,  B22F3/1039

Abstract: A three-dimensional porous catalyst, catalyst carrier or absorbent monolith of stacked strands of catalyst, catalyst carrier or absorbent material, composed of alternating layers of linear spaced-apart parallel strands, wherein the strands in alternating layers are oriented at an angle to one another, wherein the distance between inner spaced-apart parallel strands is larger than the distance between outer spaced-apart parallel strands in at least a part of the layers of the monolith.

公开(公告)号：US12146434B2

公开(公告)日：2024-11-19

申请号：US17626838

申请日：2020-07-16

Applicant: BASF SE

Inventor： Marco Oskar Kennema ,  Bart Michielsen ,  Jasper Lefevere ,  Christian Walsdorff ,  Fred Borninkhof ,  Florian Scharf

IPC: F01N3/28 ,  B01J20/28 ,  B01J35/56 ,  B01J37/00 ,  B01J37/16 ,  B22F1/105 ,  B22F5/10 ,  B22F10/18 ,  B22F10/64 ,  B22F12/53 ,  B33Y10/00 ,  B33Y40/10 ,  B33Y40/20 ,  B33Y80/00

Abstract: A three-dimensional porous catalyst, catalyst carrier or absorbent structure of stacked strands of catalyst, catalyst carrier or absorbent material, composed of layers of spaced-apart parallel strands, wherein parallel strands within a layer are arranged in groups of two or more closely spaced-apart, equidistant strands separated by a small distance, wherein the groups of equidistant strands are separated from adjacent strands or adjacent groups of strands by a larger distance.